#A7DDDB
Closest named color: Celeste (#A8DADC). oklch(86% 0.055 193.3), rgb(167, 221, 219).
Aa
Black text reads best on this color (14.00:1).
About this color
#A7DDDB is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.055 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.009 away. Black text reads best on it, at 14.00:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.00:1 |
| White text | 1.49:1 |
Values
| HEX | #A7DDDB |
| RGB | rgb(167, 221, 219) |
| HSL | hsl(178, 44%, 76%) |
| OKLCH | oklch(86% 0.055 193.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #A7DDDB | 1.49:1 | Fails | Lc -26.5 | Dividers and decoration only |
| Black text on #A7DDDB | 14.00:1 | AAA | Lc 80.4 | Fine for body text |
| #A7DDDB text on white | 1.49:1 | Fails | Lc 23.3 | Dividers and decoration only |
| #A7DDDB text on black | 14.00:1 | AAA | Lc -79.9 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFEE
oklch(93.7% 0.021 193.2)
-
Step 200
200 (this color)
#A7DDDB
oklch(86% 0.055 193.3)
-
Step 300
300
#89D0CD
oklch(81% 0.071 192.5)
-
Step 400
400
#26B7B4
oklch(70.8% 0.114 192.7)
-
Step 500
500
#009E9C
oklch(63.2% 0.108 193.2)
-
Step 600
600
#008483
oklch(55.5% 0.095 193.8)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#A7DDDB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D6D7DB | 0.058 |
| Deuteranopia (no green cones) | #CCD0DC | 0.055 |
| Tritanopia (no blue cones) | #96E0DC | 0.018 |
| Achromatopsia (no color) | #D3D3D3 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A7DDDB
#A7DDDB
oklch(86% 0.055 193.3)
- #F3C3C6
#F3C3C6
oklch(86% 0.055 14.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #A7DDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.009
- Powder Blue #B0E0E6 ΔE 0.020
- Light Blue #ADD8E6 ΔE 0.025
- Pale Turquoise #AFEEEE ΔE 0.048
- Cadet Gray #CED4DA ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Tiffany Blue #94D2BD ΔE 0.052
- Light Teal #90E4C1 ΔE 0.054
Use #A7DDDB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.